Home / 21,056.53-31,601.29-14,690.00

Finding the Fourth Proportional to 21,056.53, 31,601.29 and 14,690.00

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Solution

The fourth proportional to 21,056.53, 31,601.29 and 14,690.00 is: 22,046.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,056.53 : 31,601.29 = 14,690.00 : x
  2. Step 2: Convert to fraction form
    21,056.53/31,601.29 = 14,690.00/x
  3. Step 3: Cross multiply
    21,056.53x = 31,601.29 × 14,690.00
  4. Step 4: Simplify right side
    21,056.53x = 464,223,044.69
  5. Step 5: Solve for x
    x = 464,223,044.69/21,056.53
  6. Step 6: Final answer
    x = 22,046.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.